Insta-TEST® Monopersulfate (MPS), Alkalinity, pH Test Strips

This strip measures in low, ok and high levels of MPS, Alkalinity with instant results. 

This test strip is a dip-n-read strip with instant results. Each bottle includes 50 test strips packaged in a waterproof pop-top bottle with a molded desiccant liner, which protects the strips from moisture and UV light.